Re: mmc and high current.....

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "david baehr by way of Terry Fritz <twftesla-at-qwest-dot-net>" <dfb25-at-hotmail-dot-com>


Terry, Thankyou for doin' the math for me!!!! I'll be ordering soon. I hope to
get 8 ft. out of this coil : )) if your ever in Loveland,stop by and say hi.
dave

>From: "Tesla list" 
>To: tesla-at-pupman-dot-com 
>Subject: Re: mmc and high current..... 
>Date: Mon, 28 Jan 2002 11:53:45 -0700 
> 
>Original poster: "Terry Fritz" 
> 
>Hi Dave, 
> 
>I ran the numbers and got: 
> 
>MMC Calculator Ver. 2.2 9/12/2000 Terry Fritz 
>Transformer voltage = 14400 
>Transformer current = .5 
>Firing voltage = 20364.62 
>Fo = 200000 
>Break rate = 600 
>Thermal dissipation constant = 22 
>Individual cap value = 1.5E-07 
> 
>Strings Caps/Str Capacitance Voltage Temp C Cost I Arms 
> 3 11 40.91 22000 16.29 99.00 :-)) :-( 26.28 
> 4 15 40.00 30000 8.76 180.00 :-)) :-) 25.69 
>-------------------------------------------------------------------- 
> 5 18 41.67 36000 6.08 270.00 :-)) :-) 26.76 
> 5 19 39.47 38000 5.46 285.00 :-)) :-) 25.35 
> 
> 
>Looks like 4 stings of 15 caps will be just fine :-) 
> 
>Cheers, 
> 
> Terry 
> 
>At 02:35 AM 1/28/2002 +0000, you wrote: 
> > 
> >The cap will be a .04mfd (I'm getting 15 extra just in case: ) The rotary is

> >non-sync with 8 spinning electrodes at APPROX 4000-5000rpm, 600bps ???? The 
> >gap motor is 120v ac-dc, 0-10,000rpm and I ran it at about 45-50volts on my 
> >old coil. Also the old system performed well with two rolled poly caps, 
> >.038mfd, thats how I came up with the .04 for the new cap. This could be a 
> >good test for these 'Geek caps'. The ol' rolled caps held up to a few long 
> >runs, 3-5min. at a time at 5kva, but I did hold my variac to 200v out so as 
> >not to blow the caps. Don't know how much life is left in them, better get a

> >mmc. Thanks for your help!!!!!!!!dave 
> > 
> > 
> >Join the world s largest e-mail service with MSN Hotmail. Click Here 
> > 
> 
> 


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